Switch apparatus



FIG. 1 is an upper left perspective view of the switch apparatus;

FIG. 2 is an lower right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear elevational view thereof.

The dashed lines are for illustration of the boundary between claimed subject matter and unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a switch apparatus, as shown and described. 